Knife



FIG. 1 is a top perspective view of a knife according to our design;

FIG. 2 is a bottom perspective view;

FIG. 3 is an end elevational view, the opposite end elevational view being a mirror image;

FIG. 4 is a right side view of the knife of FIG. 1; and,

FIG. 5 is a left side view of the knife of FIG. 1. 

The ornamental design for a knife, as shown and described. 